top of page

POLYGRAPH PROJECT

Built a polygraph based on heart rate and body temperature using bandpass filters designed with op-amps.

Polygraph Project: List

In fall 2017, I built a polygraph based on heart rate and body temperature along with a partner. We constructed the two parts of our polygraph circuit and connected them to an AND Gate. The electrocardiogram goes through bandpass filter and an amplifier and the thermistor goes through an inverted amplifier. The two of these, when passed through the AND Gate, turn on the LED that theoretically would help indicate whether or not someone is lying.

Polygraph Project: Text
Polygraph Project: Pro Gallery
  • LinkedIn
bottom of page